In paralyzed patients, because they are bedridden for a long time, their activities are reduced, and sputum is not easily expelled, which can easily cause lung infection, fever and other complications. Therefore, sputum excretion in paralyzed patients is very important, and the following methods need to be given: 1. tranquilization and nebulizer inhalation treatment can be given to dilute sputum and promote sputum excretion. 2. frequent turning and back tapping need to be given, and patients are instructed to lie on their sides and tapping their backs with hollow hands from bottom to top to promote sputum excretion. 3. aspiration can be given, and sputum can be intermittently aspirated to promote sputum excretion. 4. severe patients with difficulty in sputum excretion It is necessary to go to the hospital for tracheal intubation to promote sputum discharge.